12959047609 has 2 divisors, whose sum is σ = 12959047610. Its totient is φ = 12959047608.

The previous prime is 12959047553. The next prime is 12959047631. The reversal of 12959047609 is 90674095921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11208880384 + 1750167225 = 105872^2 + 41835^2 .

It is a cyclic number.

It is not a de Polignac number, because 12959047609 - 2²⁵ = 12925493177 is a prime.

It is not a weakly prime, because it can be changed into another prime (12959047639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479523804 + 6479523805.

It is an arithmetic number, because the mean of its divisors is an integer number (6479523805).

Almost surely, 2^12959047609 is an apocalyptic number.

It is an amenable number.

12959047609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12959047609 is an equidigital number, since it uses as much as digits as its factorization.

12959047609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 12959047609 in words is "twelve billion, nine hundred fifty-nine million, forty-seven thousand, six hundred nine".